CN115305881A - Automatic locking beam throwing and withdrawing device and method for balance weight lever type gate lock - Google Patents
Automatic locking beam throwing and withdrawing device and method for balance weight lever type gate lock Download PDFInfo
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- CN115305881A CN115305881A CN202211151394.1A CN202211151394A CN115305881A CN 115305881 A CN115305881 A CN 115305881A CN 202211151394 A CN202211151394 A CN 202211151394A CN 115305881 A CN115305881 A CN 115305881A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
A counter weight lever type automatic throw-withdraw device for a gate lock locking beam comprises an accelerating mechanism, a throw-withdraw mechanism, a swing arm and a following roller, wherein the throw-withdraw mechanism and the swing arm are connected with the accelerating mechanism and form a lever by taking the accelerating mechanism as a fulcrum, a locking beam and a counter weight beam are arranged on an arm support of the throw-withdraw mechanism, a gear seat of the accelerating mechanism is fixed on base surfaces at two ends of a gate opening, the following roller is fixed on the side surface of a gate, the swing arm extends to the upper part of the gate opening and is inclined, the following roller moves up and down along with the gate, the accelerating mechanism is matched with the throw-withdraw mechanism to automatically throw and lock the gate, the closing and opening of the gate are not influenced after the gate is withdrawn and locked, the locking and the withdrawing are automatically completed, electric drive equipment is not needed, the severe environment is effectively overcome, the system fault is not easy to cause, and the operation efficiency of the equipment is improved.
Description
Technical Field
The invention belongs to the technical field of hydropower station gate locking, and relates to a device and a method for automatically putting in and out a balance weight lever type gate locking beam.
Background
In the hydraulic system engineering, can set up a lot of required plane gates that are used for reservoir equipment to overhaul manger plate or flood discharge, to the gate of overhauing the manger plate function, this type of plane gate generally supports the gate at gate slot drill way position through gate locking roof beam, when needs drop the gate and put into the maintenance manger plate, at first need will support the locking roof beam of gate to withdraw from and support the gate operating mode, then drop the gate operation, realize dropping into the manger plate function, when needs withdraw from the manger plate function, carry out the drill way with the gate through the headstock gear, then hang the gate in drill way position through gate locking roof beam support, a gate overhauls the manger plate function has been accomplished promptly.
To the flood discharge gate, mainly used is let out the more water that comes of reservoir, ensure that reservoir area water level is in safe height, flood discharge runner drill way position manger plate is generally arranged in to this type of gate, when the work of flood discharge is carried out to needs, carry out flood discharge work with this plane gate through the headstock gear with this plane gate, for preventing that the gate from gliding influence flood discharge, generally through gate locking roof beam with the gate effectively support in the drill way top, after the flood discharge is accomplished, withdraw from the support of gate lock fixed beam again, fall the gate to the sill position through the headstock gear and carry out the manger plate, and accomplished a gate and carried out a flood discharge function.
The two modes are used for switching the locking beam supported by the plane gate between the input state and the exit state at different working condition stages, and the current main operation method for the locking beam of the gate is as follows:
one method adopts manual operation, which is also the most common operation method used at present, but the method is very labor-consuming, has very low efficiency, and has potential safety hazard in the operation of the gate orifice;
the other method is that external force is adopted to drive the locking beam, such as hydraulic drive locking beam, electric drive locking beam and the like, the method can realize automatic throwing and withdrawing of the locking beam, but the method is equivalent to that a set of driving equipment is added at the position of an orifice, unnecessary maintenance work is added for maintenance personnel, the use frequency of throwing and withdrawing working conditions of the locking beam is very low, so that the cost performance is not high due to the addition of a set of equipment; in addition, the gate is generally installed outdoors, so the working environment of the locking beam is very harsh, such as damp, burning sun, low temperature and the like, and installation of the driving device of the throwing and withdrawing device power source in such environment easily causes the driving device system to be out of order, thereby affecting the normal operation of the device.
Disclosure of Invention
The invention aims to solve the technical problem of providing a counter weight lever type automatic throw-withdraw device and a counter weight lever type automatic throw-withdraw method for a gate locking beam.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a counter weight lever type gate lock beam automatic throwing and withdrawing device comprises an accelerating mechanism, a throwing and withdrawing mechanism, a swing arm and a following roller; the throwing and withdrawing mechanism and the swing arm are connected with the accelerating mechanism, form a lever by taking the accelerating mechanism as a fulcrum, and are in rolling contact with the swing arm along with the following roller to drive the swing arm to swing; when the swing arm swings, the acceleration mechanism is driven to drive the feeding and withdrawing mechanism to overturn in an accelerated mode, the locking beam of the feeding and withdrawing mechanism is enabled to change positions to achieve feeding locking, or the counterweight beam of the feeding and withdrawing mechanism enables the locking beam to reset under the dead weight to achieve withdrawing locking, and the acceleration mechanism is driven to drive the swing arm to reset.
The accelerating mechanism comprises a driving gear and a transition gear which are engaged with the gear seat, and the output gear is engaged with the transition gear; the number of teeth of the driving gear is the same as that of the transition gear, and the number of teeth of the output gear is smaller than that of the transition gear.
The throwing and withdrawing mechanism comprises an arm support, a locking beam and a counterweight beam, wherein the two ends of the rotating shaft are fixedly connected with the arm support; the rotating shaft is connected with an output gear of the accelerating mechanism.
The arm support comprises a vertical arm connected with a horizontal arm, one end of the horizontal arm is provided with an inclined arm extending upwards, a rotating shaft penetrates through the joint of the horizontal arm and the vertical arm, a shaft head arranged at the end head of the vertical arm is matched with a locking beam, and a shaft head arranged at the end head of the inclined arm is matched with a counterweight beam; the length of the horizontal arm is greater than the length of the vertical arm.
The locking beam and the counterweight beam are hollow beam bodies, the counterweight bodies are axially arranged in the hollow beam bodies, the cross sections of the counterweight bodies are of trapezoidal structures, and the shaft holes are formed in the smaller side of the cross sections of the end heads of the counterweight bodies.
The swing arm is a hollow frame, two ends of the frame at one side extend outwards to form a guide slope, and the length of the connecting arm arranged at the lower end of the frame at the other side is greater than that of the guide slope at the corresponding side; the connecting arm is connected with a driving gear of the accelerating mechanism.
The lower end of the connecting arm is provided with a buffer mechanism; the buffer shaft of the buffer mechanism is axially provided with a key groove and radially provided with a limit groove, the buffer shaft is matched with a gear seat of the acceleration mechanism to be connected with a driving gear, the connecting arm is matched with the buffer shaft, the limit pin penetrates through the connecting arm to be matched with the limit groove, and two ends of the torsion spring are respectively connected with the connecting arm and the buffer shaft.
The two ends of the roller of the following roller are provided with rollers, and the fixed block close to the rollers is connected with the roller; the fixed block is provided with a clamping groove, and the mounting hole laterally penetrates through the clamping groove.
The swing arm is the slope form, follows the gyro wheel of rolling and the frame of swing arm side or downside rolling contact.
The automatic throwing and withdrawing method of the automatic throwing and withdrawing device of the counterweight lever type gate locking beam comprises the following steps:
s1, mounting, namely fixing gear seats on base surfaces at two ends of a gate opening, extending a swing arm to the upper part of the gate opening and forming an inclined shape, and fixing blocks of following rollers are fixed at two sides of the gate and are close to supporting lug plates; in the step, the gate is in a state to be put into, the roller is positioned at the upper part of the swing arm and is not contacted with the swing arm, the counterweight beam is supported by the base surface of the gate, the locking beam is in a suspended state and is far away from the edge of the gate, and the length of the locking beam is greater than the width of the gate opening;
s2, starting to throw in, enabling the gate to move downwards, enabling the roller to slowly approach a guide slope at the upper end of the swing arm and to be in rolling contact with the guide slope, and enabling the swing arm to rotate for an angle around the buffer shaft under the action of torsion of a torsion spring of the buffer mechanism and enabling the buffer shaft not to rotate when the roller rolls over the guide slope; in the step, the idler wheel and a guide slope at the upper end of the swing arm form buffer contact, and the driving gear does not rotate;
s3, before the swing arm is put into locking, the gate continuously descends, when the roller passes through a guide slope at the upper end of the swing arm and enters the upper side face of the swing arm to roll, a limit pin is abutted against one end of a limit groove to limit the swing arm, the swing arm drives a driving gear to drive a transition gear to rotate under the rolling pressure of the roller, the transition gear drives an output gear to rotate at an accelerated speed, the output gear drives a rotating shaft and an arm support to rotate, when the arm support rotates, the counterweight beam quickly moves upwards to be separated from the base face of the gate, and the locking beam gradually descends and slowly approaches the side face of the gate;
s4, locking is put into operation, the gate continues to descend, and when the locking beam descends and approaches the side face of the gate, the supporting lug plates press and hold the upper side face of the locking beam to enable the upper side face of the locking beam to move downwards, and finally two ends of the upper side face of the locking beam are in contact with the base face of the gate to limit the falling of the gate, and the gate stops at the locking position; in the step, the roller wheel passes over the lower end of one side of the swing arm;
s5, locking is withdrawn, the gate moves upwards, the arm support drives the rotating shaft and the output gear to rotate under the action of gravity of the counterweight beam, the output gear drives the transition gear and the driving gear to rotate, and the driving gear drives the swing arm to reset; in the step, the locking beam is in sliding contact with the supporting lug plate in the upward movement process along with the gate until the counterweight beam is in contact with the base surface of the gate, the locking beam is separated from the supporting lug plate, and the roller is positioned at the back side of the swing arm;
s6, closing the door, and moving the gate downwards after the gate is unlocked until the gate falls into the gate slot;
and S7, opening the door, after the door is unlocked or closed, gradually rolling and contacting the roller with the back side of the swing arm in the upward movement process of the gate, and rotating the swing arm by an angle around the buffer shaft when the roller passes through the upper end of the back side of the swing arm, wherein the buffer shaft does not rotate, so that the roller crosses the swing arm and rises to the upper part of the swing arm to wait for the next switching.
The invention has the main beneficial effects that:
the following roller is arranged on the side surface of the gate, ascends and descends along with the lifting of the gate, and the following roller and the swing arm are matched to be used as a driving piece of the accelerating mechanism without other power sources.
The throwing-withdrawing mechanism and the swing arm are connected with the accelerating mechanism and form a lever by taking the accelerating mechanism as a fulcrum, and the swing arm inclines to the upper part of the gate opening and is contacted with the roller when the gate descends.
The swing arm is connected with the driving gear, the transition gear is meshed with the output gear, the rotating shaft of the throwing and withdrawing mechanism is connected with the output gear, the number of teeth of the driving gear is the same as that of the transition gear, and the number of teeth of the transition gear is larger than that of the output gear, so that the arm support connected with the rotating shaft can be rapidly turned over to accelerate when the swing arm slowly swings.
The arm support is of a bending structure, one end of a horizontal arm of the arm support is provided with an inclined arm extending upwards, shaft heads are arranged on a vertical arm and the inclined arm and are respectively matched with a locking beam and a counterweight beam, the length of the horizontal arm is larger than that of the vertical arm, and under the condition that the locking beam is unconstrained, a gravity driving accelerating mechanism of the counterweight beam is utilized to drive a throwing-withdrawing mechanism and a swing arm to reset.
The locking beam and the counterweight beam are internally provided with counterweight bodies, so that the upper side faces of the locking beam and the counterweight beam are always upward in the overturning process of the arm support.
The following roller moves up and down along with the gate, the accelerating mechanism is matched with the throwing and retreating mechanism to automatically throw in and lock the gate, the door closing and opening of the gate are not affected after the gate is retreated and locked, the locking and retreating are automatically completed, and electric driving equipment is not needed.
The swing arm is connected with the driving gear through a buffer mechanism, and the limit pin is matched with the limit groove to limit the movable swing angle included angle of the swing arm, so that the buffer is favorably realized during the input, the impact force of the roller on the swing arm is reduced, and the gear is prevented from being damaged; and the roller can smoothly cross the swing arm in the door opening process.
Drawings
The invention is further illustrated with reference to the following figures and examples:
fig. 1 is a view showing an installation state of the present invention.
Fig. 2 is a usage state diagram of the present invention.
FIG. 3 is a schematic view of the present invention.
Fig. 4 is a schematic structural diagram of the gear seat of the present invention.
Fig. 5 is an enlarged schematic view of a portion a of fig. 1.
FIG. 6 is a schematic view of the connection structure of the rotating shaft and the arm support.
Fig. 7 is a schematic structural view of the counterweight beam of the present invention.
Fig. 8 is a schematic structural view of the lock beam of the present invention.
Fig. 9 is a schematic structural view of the swing arm of the present invention.
FIG. 10 is a schematic view of a buffer shaft according to the present invention.
Fig. 11 is a schematic view of the structure of the follower roller of the present invention.
FIG. 12 is a state diagram before the present invention is put into practice.
FIG. 13 is a state diagram of the present invention when put into practice.
FIG. 14 is a state diagram of the gate lock timing of the present invention.
FIG. 15 is a state diagram of the shutter of the present invention closing or opening the door after the exit lock.
In the figure: the device comprises an accelerating mechanism 1, a gear seat 11, a driving gear 12, a transition gear 13, an output gear 14, a throwing and retreating mechanism 2, a rotating shaft 21, an arm support 22, a locking beam 23, a counterweight beam 24, a counterweight body 25, a swing arm 3, a guide slope 31, a connecting arm 32, a following roller 4, a rolling shaft 41, a rolling wheel 42, a fixed block 43, a buffer mechanism 5, a buffer shaft 51, a key groove 52, a limiting groove 53, a limiting pin 54, a torsion spring 55 and a supporting lug plate 6.
Detailed Description
As shown in fig. 1-15, a counter weight lever type gate locking beam automatic throwing and withdrawing device comprises an accelerating mechanism 1, a throwing and withdrawing mechanism 2, a swing arm 3 and a following roller 4; the throwing and withdrawing mechanism 2 and the swing arm 3 are connected with the accelerating mechanism 1, form a lever by taking the accelerating mechanism 1 as a fulcrum, and are in rolling contact with the swing arm 3 along with the follower roller 4 and drive the swing arm 3 to swing; when the swing arm 3 swings, the accelerating mechanism 1 is driven to drive the throwing and withdrawing mechanism 2 to overturn in an accelerating mode, the locking beam 23 of the throwing and withdrawing mechanism 2 is enabled to change positions to achieve throwing and locking, or the counterweight beam 24 of the throwing and withdrawing mechanism 2 enables the locking beam 23 to reset under the self weight to achieve withdrawing and locking, and the accelerating mechanism 1 is driven to drive the swing arm 3 to reset. During the use, gear seat 11 of acceleration mechanism 1 is fixed in on the basal plane at gate mouth both ends, it is fixed with the gate side to follow to roll 4, swing arm 3 extends and is the slope form to gate mouth upper portion, it follows the gate up-and-down motion to roll 4, 1 cooperation of acceleration mechanism is thrown and is moved back mechanism 2 and is put into the locking to the gate is automatic, and do not influence the door of closing and opening the door of gate after withdrawing from the locking, accomplish the locking automatically and withdraw from, need not electric drive equipment, effectively overcome adverse circumstances, be difficult for resulting in the system failure, improve equipment operating efficiency.
In a preferred scheme, the accelerating mechanism 1 comprises a driving gear 12 and a transition gear 13 which are meshed with a gear seat 11, and an output gear 14 is meshed with the transition gear 13; the driving gear 12 and the transition gear 13 have the same number of teeth, and the output gear 14 has a smaller number of teeth than the transition gear 13. When the device is used, the driving gear 12 drives the transition gear 13 to rotate, and the transition gear 13 drives the output gear 14 to rotate, or the output gear 14 drives the transition gear 13 to rotate, and the transition gear 13 drives the driving gear 12 to rotate.
Preferably, the number of teeth of the driving gear 12 and the number of teeth of the transition gear 13 are the same, and the number of teeth of the transition gear 13 is a multiple of the number of teeth of the output gear 14, so that the rotation speed of the output gear 14 is faster than that of the driving gear 12 and the transition gear 13.
In a preferred scheme, the throwing and withdrawing mechanism 2 comprises an arm support 22, a locking beam 23 and a counterweight beam 24, wherein the two ends of a rotating shaft 21 are fixedly connected with the arm support 22; the rotating shaft 21 is connected to the output gear 14 of the speed increasing mechanism 1. When the device is used, the output gear 14 rotates to drive the rotating shaft 21 to rotate, and the rotating shaft 21 rotates to drive the arm support 22 to overturn, so that the locking beam 23 descends and the counterweight beam 24 ascends; or the arm support 22 is driven to rotate under the action of the self weight of the counterweight beam 24, so that the locking beam 23 is lifted, and the counterweight beam 24 is lowered.
In a preferable scheme, the arm support 22 comprises a vertical arm connected with a horizontal arm, one end of the horizontal arm is provided with an inclined arm extending upwards, a rotating shaft 21 penetrates through the joint of the horizontal arm and the vertical arm, a shaft head arranged at the end head of the vertical arm is matched with a locking beam 23, and a shaft head arranged at the end head of the inclined arm is matched with a counterweight beam 24; the length of the horizontal arm is greater than the length of the vertical arm. When the locking device is used, the length of the horizontal arm is larger than that of the vertical arm, the counterweight beam 24 is arranged on the inclined arm connected with the horizontal arm, and when the counterweight beam 24 is in a suspended state, the counterweight beam is favorable for driving the rotating shaft 21 to rotate by utilizing self weight, and the locking beam 23 moves upwards.
Preferably, the horizontal arm and the vertical arm form a lever with the rotating shaft 21 as a fulcrum, and since the length of the sum of the horizontal arm and the inclined arm is much longer than that of the vertical arm, if the masses of the locking beam 23 and the counterweight beam 24 are equal, the potential energy at one end of the counterweight beam 24 is relatively large, which is beneficial to driving the accelerating mechanism 1 to rotate.
Preferably, the tilt arm is tilted to facilitate the connection of the front end of the tilt arm to the counterweight beam 24, so that the connection point is close to the upper side of the counterweight beam 24, while the lower side of the tilt arm is able to contact the foundation surface of the gate, and the horizontal arm is kept horizontal in the initial stage.
In a preferred embodiment, the locking beam 23 and the counterweight beam 24 are hollow beams, a counterweight 25 is axially disposed in the hollow beams, a cross section of the counterweight 25 is a trapezoid structure, and a shaft hole is disposed on a smaller side of a cross section of an end of the counterweight 25. When the locking device is used, the counterweight body 25 is arranged in the cavity of the locking beam 23 and the counterweight beam 24, and the upper end of the smaller cross section of the counterweight body 25 is provided with a shaft hole matched with the shaft head on the arm support 22, so that the locking beam 23 and the counterweight beam 24 can freely rotate around the shaft head in a suspended non-interference state, and the upper side surface of the locking beam is always in a horizontal state.
Preferably, the locking beam 23 will interfere only during the lock-out phase, i.e. the upper side of the locking beam 23 will interfere with the support lug 6 during the upward movement of the locking beam 23 with the gate.
Preferably, the locking beam 23 is provided with an escape groove on both sides in the axial direction to escape the guide slope 31 at the lower end of the rim of the swing arm 3.
In a preferred scheme, the swing arm 3 is a hollow frame, two ends of the frame on one side extend outwards to form a guide slope 31, and the length of a connecting arm 32 arranged at the lower end of the frame on the other side is greater than that of the guide slope 31 on the corresponding side; the connecting arm 32 is connected to the drive gear 12 of the accelerator mechanism 1. When in use, the guide slope 31 is used for guiding the roller 42, so that the roller can smoothly enter the upper side surface or the lower side surface of the frame to be in rolling contact with the frame; since the length of the connecting arm 32 is much longer relative to the length of the guiding slope 31 on the corresponding side, the roller 42 can pass over the upper side of the swing arm 3 and enter the back side of the swing arm 3 from the lower end thereof without interference, and at the same time, the locking beam 23 can be lowered close to the side of the door without being blocked by the swing arm 3.
In a preferable scheme, a buffer mechanism 5 is arranged at the lower end of the connecting arm 32; a key groove 52 is axially arranged on a buffer shaft 51 of the buffer mechanism 5, a limit groove 53 is radially arranged on the buffer shaft 51, the buffer shaft 51 is matched and connected with the driving gear 12 with the gear seat 11 of the acceleration mechanism 1, the connecting arm 32 is matched with the buffer shaft 51, a limit pin 54 penetrates through the connecting arm 32 to be matched with the limit groove 53, and two ends of a torsion spring 55 are respectively connected with the connecting arm 32 and the buffer shaft 51. During the use, swing arm 3 rotates around buffering axle 51 at the swing in-process, and spacer pin 54 slips in spacing groove 53, and the stage of sliding, buffering axle 51 does not rotate, and only when spacer pin 54 slides to spacing groove 53 one end rather than conflicting, swing arm 3 continues the swing and just can drive buffering axle 51 and rotate, drives driving gear 12 and rotates when buffering axle 51 rotates.
Preferably, since two ends of the torsion spring 55 are respectively connected to the connecting arm 32 and the buffer shaft 51, during the sliding movement of the limiting pin 54 in the limiting groove 53, the torsion spring 55 generates a torsional force, so that the swing arm 3 can reset the limiting pin 54 without being stressed.
Preferably, a locking key in the axial bore of the drive gear 12 engages a keyway 52 in the damper shaft 51, such that rotation of the damper shaft 51 causes rotation of the drive gear 12.
In a preferred scheme, rollers 42 are arranged at two ends of a roller 41 of the following roller 4, and a fixed block 43 close to the rollers 42 is connected with the roller 41; the fixing block 43 is provided with a clamping groove, and the mounting hole laterally penetrates through the clamping groove. When the gate fixing device is used, the clamping grooves of the fixing blocks 43 are clamped with the edges of the two sides of the gate, the fastening pieces penetrate through the mounting holes to be fixedly connected with the gate, the rolling shaft 41 penetrates through the supporting lug plates 6 on the side faces of the gate, and the rolling wheel 42 is located on the outer side of the face of the gate.
In a preferable scheme, the swing arm 3 is in an inclined shape, and a roller 42 of the following roller 4 is in rolling contact with the upper side face or the lower side face of the frame of the swing arm 3. When in use, the swing arm 3 is obliquely positioned at the upper part of the gate slot after being installed, and is not contacted with the panels at two sides of the gate but only contacted with the roller 42 of the following roller 4 in the lifting process of the gate.
Preferably, when the swing arm 3 is installed, the inclination of the swing arm is adjusted by rotating the driving gear 12, and after the inclination of the swing arm 3 reaches a set angle, the middle section of the limit pin 54 located in the limit groove 53 is not in contact with the two ends of the limit groove 53, and only when the swing arm 3 swings and deflects, the middle section is in contact with the two ends of the limit groove 53, so that the buffer of the swing arm 3 when the roller 42 moves downwards is reduced, or the roller 42 can smoothly cross the upper end of the swing arm 3 when moving upwards.
In a preferred scheme, the automatic throwing and withdrawing method of the automatic throwing and withdrawing device for the counterweight lever type gate locking beam comprises the following steps:
s1, mounting, namely fixing a gear seat 11 on the base surfaces at two ends of a gate opening, extending a swing arm 3 to the upper part of the gate opening and forming an inclined shape, and fixing fixed blocks 43 of a following roller 4 at two sides of the gate close to supporting lug plates 6; in the step, the gate is in a state to be thrown, the roller 42 is positioned at the upper part of the swing arm 3 and is not contacted with the swing arm, the counterweight beam 24 is supported by the base surface of the gate, the locking beam 23 is in a suspended state and is far away from the edge of the gate, and the length of the locking beam 23 is greater than the width of the gate;
s2, starting to throw in, enabling the gate to move downwards, enabling the roller 42 to be slowly close to the guide slope 31 at the upper end of the swing arm 3 and to be in rolling contact with the guide slope 31, and enabling the swing arm 3 to rotate around the buffer shaft 51 for an angle without rotating the buffer shaft 51 under the action of the torsion force of the torsion spring 55 of the buffer mechanism 5 when the roller 42 rolls over the guide slope 31; in this step, the roller 42 is in buffering contact with the guide slope 31 at the upper end of the swing arm 3, and the driving gear 12 does not rotate;
s3, before the gate is put into locking, the gate continues to descend, when the roller 42 crosses the guide slope 31 at the upper end of the swing arm 3 and enters the upper side face of the swing arm 3 to roll with the upper side face, the limit pin 54 is abutted against one end of the limit groove 53 to limit the swing arm 3, the swing arm 3 drives the driving gear 12 to drive the transition gear 13 to rotate under the rolling of the roller 42, the transition gear 13 drives the output gear 14 to rotate at an accelerated speed, the output gear 14 drives the rotating shaft 21 and the arm support 22 to rotate, the counterweight beam 24 rapidly moves upwards to be separated from the base face of the gate when the arm support 22 rotates, and the locking beam 23 gradually descends and slowly approaches the side face of the gate;
s4, locking is carried out, the gate continues to descend, when the locking beam 23 descends along with the gate and approaches to the side face of the gate, the supporting lug plates 6 press and hold the upper side face of the locking beam 23 to enable the locking beam 23 to move downwards, and finally the two ends of the locking beam are in contact with the base face of the gate to limit the descending of the gate, and the gate stops at the locking position; in this step, the roller 42 passes over the lower end of one side of the swing arm 3;
s5, locking is withdrawn, the gate moves upwards, under the action of gravity of the counterweight beam 24, the arm support 22 drives the rotating shaft 21 and the output gear 14 to rotate, the output gear 14 drives the transition gear 13 and the driving gear 12 to rotate, and the driving gear 12 drives the swing arm 3 to reset; in the step, the locking beam 23 is in sliding contact with the supporting lug plate 6 in the upward movement process along with the gate until the counterweight beam 24 is in contact with the base surface of the gate, the locking beam 23 is separated from the supporting lug plate 6, and the roller 42 is positioned at the back side of the swing arm 3;
s6, closing the door, and moving the gate downwards after the gate is unlocked until the gate falls into the gate slot;
and S7, opening the door, after the door is unlocked or closed, in the upward movement process of the gate, gradually rolling and contacting the roller 42 with the back side of the swing arm 3, rotating the swing arm 3 around the buffer shaft 51 by an angle when the roller 42 passes through the upper end of the back side of the swing arm 3, and keeping the buffer shaft 51 from rotating, so that the roller 42 crosses the swing arm 3 and rises to the upper part of the swing arm 3 to wait for the next switching.
According to the method, the automatic input locking and automatic exit locking are realized by utilizing the lifting process of opening and closing the gate, the door closing and opening are not influenced, electric driving equipment is not required to be added, the system faults of the equipment are reduced, and the switching among the input locking, the exit locking, the door closing and the door opening can be realized, so that the efficiency is improved, and the safety performance is also improved.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The scope of the present invention is defined by the claims, and is intended to include equivalents of the features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of this invention.
Claims (10)
1. The utility model provides an automatic device that throws back of counter weight lever gate locking beam, characterized by: the device comprises an accelerating mechanism (1), a throwing and retreating mechanism (2), a swing arm (3) and a following roller (4); the throwing-withdrawing mechanism (2) and the swing arm (3) are connected with the accelerating mechanism (1), a lever is formed by taking the accelerating mechanism (1) as a fulcrum, and the following roller (4) is in rolling contact with the swing arm (3) and drives the swing arm (3) to swing; when the swing arm (3) swings, the accelerating mechanism (1) is driven to drive the throwing and withdrawing mechanism (2) to overturn in an accelerating mode, the locking beam (23) of the throwing and withdrawing mechanism (2) is enabled to change positions to achieve throwing locking, or the counterweight beam (24) of the throwing and withdrawing mechanism (2) enables the locking beam (23) to reset under the dead weight to achieve withdrawing locking, and the accelerating mechanism (1) is driven to drive the swing arm (3) to reset.
2. The automatic putting-on and putting-off device of the balance weight lever type gate locking beam as claimed in claim 1, is characterized in that: the accelerating mechanism (1) comprises a driving gear (12) and a transition gear (13) which are meshed with each other in a gear seat (11), and an output gear (14) is meshed with the transition gear (13); the tooth number of the driving gear (12) is the same as that of the transition gear (13), and the tooth number of the output gear (14) is smaller than that of the transition gear (13).
3. The automatic throwing and withdrawing device of the locking beam of the counterweight lever type gate lock as claimed in claim 1, which is characterized in that: the throwing and withdrawing mechanism (2) comprises an arm support (22) fixedly connected with two ends of a rotating shaft (21), a locking beam (23) and a counterweight beam (24) which are connected with the arm support (22); the rotating shaft (21) is connected with an output gear (14) of the accelerating mechanism (1).
4. The automatic throwing and withdrawing device of the locking beam of the counterweight lever type gate lock as claimed in claim 3, which is characterized in that: the arm support (22) comprises a vertical arm connected with a horizontal arm, one end of the horizontal arm is provided with an inclined arm extending upwards, a rotating shaft (21) penetrates through the joint of the horizontal arm and the vertical arm, a shaft head arranged at the end head of the vertical arm is matched with a locking beam (23), and a shaft head arranged at the end head of the inclined arm is matched with a counterweight beam (24); the length of the horizontal arm is greater than the length of the vertical arm.
5. The automatic putting-on and putting-off device of the balance weight lever type gate locking beam as claimed in claim 3, wherein: the locking beam (23) and the counterweight beam (24) are hollow beam bodies, the counterweight body (25) is axially arranged in the hollow beam bodies, the cross section of the counterweight body (25) is of a trapezoidal structure, and a shaft hole is formed in the smaller side of the cross section of the end head of the counterweight body.
6. The automatic throwing and withdrawing device of the locking beam of the counterweight lever type gate lock as claimed in claim 3, which is characterized in that: the swing arm (3) is a hollow frame, two ends of the frame positioned on one side extend outwards to form a guide slope (31), and the length of a connecting arm (32) arranged at the lower end of the frame positioned on the other side is greater than that of the guide slope (31) on the corresponding side; the connecting arm (32) is connected with a driving gear (12) of the accelerating mechanism (1).
7. The automatic throwing and withdrawing device of the locking beam of the counterweight lever type gate lock as claimed in claim 6, which is characterized in that: the lower end of the connecting arm (32) is provided with a buffer mechanism (5); the buffer mechanism comprises a buffer shaft (51) of a buffer mechanism (5), wherein a key groove (52) is axially arranged on the buffer shaft (51), a limit groove (53) is radially arranged on the buffer shaft (51), the buffer shaft (51) is matched with a gear seat (11) of an accelerating mechanism (1) to be connected with a driving gear (12), a connecting arm (32) is matched with the buffer shaft (51), a limit pin (54) penetrates through the connecting arm (32) to be matched with the limit groove (53), and two ends of a torsion spring (55) are respectively connected with the connecting arm (32) and the buffer shaft (51).
8. The automatic throwing and withdrawing device of the locking beam of the counterweight lever type gate lock as claimed in claim 1, which is characterized in that: the two ends of a roller shaft (41) of the following roller (4) are provided with rollers (42), and a fixed block (43) close to the rollers (42) is connected with the roller shaft (41); the fixing block (43) is provided with a clamping groove, and the mounting hole laterally penetrates through the clamping groove.
9. The automatic throwing and withdrawing device of the locking beam of the counterweight lever type gate lock as claimed in claim 1, which is characterized in that: the swing arm (3) is inclined, and the roller (42) of the following roller (4) is in rolling contact with the upper side or the lower side of the frame of the swing arm (3).
10. The automatic throwing and retreating method of the counterweight lever type gate lock beam automatic throwing and retreating device as claimed in any one of claims 1 to 9, characterized by comprising the following steps of:
s1, mounting, namely fixing gear seats (11) on base surfaces at two ends of a gate opening, extending a swing arm (3) to the upper part of the gate opening and forming an inclined shape, and fixing fixed blocks (43) of a following roller (4) at two sides of the gate close to supporting lug plates (6); in the step, the gate is in a state to be put into, the roller (42) is positioned at the upper part of the swing arm (3) and is not contacted with the swing arm, the counterweight beam (24) is supported by the base surface of the gate, the locking beam (23) is in a suspended state and is far away from the edge of the gate, and the length of the locking beam (23) is greater than the width of the gate opening;
s2, starting to throw in, enabling the gate to move downwards, enabling the roller (42) to be slowly close to the guide slope (31) at the upper end of the swing arm (3) and to be in rolling contact with the guide slope, and enabling the swing arm (3) to rotate for an angle around the buffer shaft (51) and the buffer shaft (51) not to rotate under the torsion action of a torsion spring (55) of the buffer mechanism (5) when the roller (42) rolls over the guide slope (31); in the step, the roller (42) and a guide slope (31) at the upper end of the swing arm (3) form buffer contact, and the driving gear (12) does not rotate;
s3, before the gate is locked, the gate continues to descend, the roller (42) crosses a guide slope (31) at the upper end of the swing arm (3) and enters the upper side face of the swing arm (3) to roll with the upper side face, a limiting pin (54) is abutted against one end of a limiting groove (53) to limit the swing arm (3), the swing arm (3) drives a driving gear (12) to drive a transition gear (13) to rotate under the rolling of the roller (42), the transition gear (13) drives an output gear (14) to rotate at an accelerated speed, the output gear (14) drives a rotating shaft (21) and an arm support (22) to rotate, when the arm support (22) rotates, a counterweight beam (24) rapidly moves upwards to be separated from the base face of the gate, and a locking beam (23) gradually descends and slowly approaches the side face of the gate;
s4, putting into locking, continuously descending the gate, pressing and holding the upper side surface of the locking beam (23) by the supporting lug plate (6) in the process that the locking beam (23) descends and approaches to the side surface of the gate, enabling the upper side surface of the locking beam (23) to move downwards, finally enabling two ends of the locking beam to be in contact with the base surface of the gate, limiting the falling of the gate, and stopping the gate at the locking position; in the step, the roller (42) passes over the lower end of one side of the swing arm (3);
s5, quitting locking, enabling the gate to move upwards, enabling the arm support (22) to drive the rotating shaft (21) and the output gear (14) to rotate under the action of gravity of the balance weight beam (24), enabling the output gear (14) to drive the transition gear (13) and the driving gear (12) to rotate, and enabling the driving gear (12) to drive the swing arm (3) to reset; in the step, the locking beam (23) is in sliding contact with the supporting lug plate (6) in the upward movement process along with the gate until the counterweight beam (24) is in contact with the base surface of the gate, the locking beam (23) is separated from the supporting lug plate (6), and the roller (42) is positioned at the back side of the swing arm (3);
s6, closing the door, and moving the gate downwards after the gate is unlocked until the gate falls into the gate slot;
s7, opening the door, after exiting from locking or closing the door, in the upward movement process of the gate, enabling the roller (42) to gradually contact with the back side of the swing arm (3) in a rolling manner, enabling the swing arm (3) to rotate for an angle around the buffer shaft (51) when the roller (42) passes through the upper end of the back side of the swing arm (3), enabling the buffer shaft (51) not to rotate, and enabling the roller (42) to cross the swing arm (3) and rise to the upper part of the swing arm (3) to wait for next switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211151394.1A CN115305881B (en) | 2022-09-21 | 2022-09-21 | Automatic switching device and method for counterweight lever type gate locking beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211151394.1A CN115305881B (en) | 2022-09-21 | 2022-09-21 | Automatic switching device and method for counterweight lever type gate locking beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115305881A true CN115305881A (en) | 2022-11-08 |
| CN115305881B CN115305881B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211151394.1A Active CN115305881B (en) | 2022-09-21 | 2022-09-21 | Automatic switching device and method for counterweight lever type gate locking beam |
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Citations (6)
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|---|---|---|---|---|
| GB568147A (en) * | 1943-03-03 | 1945-03-21 | Arthur James Stock | Improvements in apparatus for automatically weighing predetermined quantities of material |
| DE8612218U1 (en) * | 1986-05-03 | 1986-07-03 | Heinrich Brockmann -Schlosserei, Maschinen- und Rohrleitungsbau-, 48249 Dülmen | Lifting device for lowering and lifting components in open waters |
| CA2420241A1 (en) * | 2000-08-21 | 2002-02-28 | Rubicon Research Pty Ltd | Control gates |
| CN105401560A (en) * | 2015-12-07 | 2016-03-16 | 国家电网公司 | Auto-exit gate locking device and gate control system |
| CN112411482A (en) * | 2020-12-22 | 2021-02-26 | 中国长江电力股份有限公司 | Hydropower station gate lock fixed beam coupling type automatic throwing and withdrawing device |
| CN216405320U (en) * | 2021-10-19 | 2022-04-29 | 黄河明珠水利水电建设有限公司 | Special bearing cover plate suitable for water conservancy facility gate way drill way |
-
2022
- 2022-09-21 CN CN202211151394.1A patent/CN115305881B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB568147A (en) * | 1943-03-03 | 1945-03-21 | Arthur James Stock | Improvements in apparatus for automatically weighing predetermined quantities of material |
| DE8612218U1 (en) * | 1986-05-03 | 1986-07-03 | Heinrich Brockmann -Schlosserei, Maschinen- und Rohrleitungsbau-, 48249 Dülmen | Lifting device for lowering and lifting components in open waters |
| CA2420241A1 (en) * | 2000-08-21 | 2002-02-28 | Rubicon Research Pty Ltd | Control gates |
| CN105401560A (en) * | 2015-12-07 | 2016-03-16 | 国家电网公司 | Auto-exit gate locking device and gate control system |
| CN112411482A (en) * | 2020-12-22 | 2021-02-26 | 中国长江电力股份有限公司 | Hydropower station gate lock fixed beam coupling type automatic throwing and withdrawing device |
| CN216405320U (en) * | 2021-10-19 | 2022-04-29 | 黄河明珠水利水电建设有限公司 | Special bearing cover plate suitable for water conservancy facility gate way drill way |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115305881B (en) | 2023-07-14 |
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